DUONG, Cong Thanh et al. Brief behavioural surveys in routine HIV sentinel surveillance: a new tool for monitoring the HIV epidemic in Viet Nam. Western Pacific Surveillance and Response, Manila, Philippines, v. 6, n. 1, 2015. DOI: 10.5365/wpsar.2014.5.1.008. Disponível em: https://ojs.wpro.who.int/ojs/index.php/wpsar/article/view/242. Acesso em: 4 jun. 2026.